https://online2.tingclass.net/lesson/shi0529/0008/8532/p109.mp3
https://image.tingclass.net/statics/js/2012
He dedicated most of his time to charity work.
他大部分时间都致力于慈善工作。
dedicate表示把时间或精力等用在...，用在哪方面就用介词to。 dedicate的名词是 dedication,表示对某事的热诚和献身。
her dedication to education她对教育的热诚付出。
He dedicated his life to science.
他献身于科学。
